If 5 cats catch 5 mice in 5 minutes, how long will it take one cat to catch a mouse?

Chef Andrea has to light the kitchen stoves to open her restaurant for the day. There are three stoves in the kitchen: A glass stove, a brick stove, and a wood stove. She only has one match. Which does she light up first?

Find out the missing number in the picture attached:

If an electric train is travelling south, then which way is the smoke going?

There are nine dots in the picture that has been attached with this question. Can you join all the dots by drawing four straight lines without picking up your pen?

Why Aeroplane windows are round?

Begin with a word, five letters to my name,
Remove the first and last but I am the same
Take out my middle and still, I remain.
What word am I?

One is to three as three is to five and five is to four and four is the magic number.
What is the pattern?

Can you solve below mathematical equation?

2^1234 - 2^1233

I get hot but I never sweat,
I cook food but I am not a chef,
I have a door but you can't enter me,
I have a light but I am not a lamp.
Who am I?